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Old 08-31-2017
raynby raynby is offline
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Default Using FMS6502 and TVP5150 to connect the camera output the video signal with a large

Thesedays,about the video signal I met a hard-to-handle problem, it displays that the output ripple is very big. I really hope that there are some directions for me to reduce the ripple of the output as far as possible.

Now I use the 24V power supply to power the whole machine, and use the TD1507 to turn the power of 24V into 12V to power the camera. The video signal of the camera input to FMS6502 and then output to TVP5150. The power supply of FMS6502 is generated by MP1583, and the 3.3v power supply and 1.8 V power supply of TVP5150 are provided by MP2104 and RT9013 respectively.

The picture of the ripple, schematic diagram and the PCB are in the screenshot below.

I hope you can give directions and thanks.
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power supply

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